diff options
Diffstat (limited to 'otfl-font-map.lua')
| -rw-r--r-- | otfl-font-map.lua | 186 |
1 files changed, 45 insertions, 141 deletions
diff --git a/otfl-font-map.lua b/otfl-font-map.lua index 2995087..26b22b6 100644 --- a/otfl-font-map.lua +++ b/otfl-font-map.lua @@ -14,7 +14,7 @@ local utfbyte = utf.byte local trace_loading = false trackers.register("otf.loading", function(v) trace_loading = v end) local trace_unimapping = false trackers.register("otf.unimapping", function(v) trace_unimapping = v end) -local ctxcatcodes = tex and tex.ctxcatcodes +local report_otf = logs.reporter("fonts","otf loading") --[[ldx-- <p>Eventually this code will disappear because map files are kind @@ -22,50 +22,51 @@ of obsolete. Some code may move to runtime or auxiliary modules.</p> <p>The name to unciode related code will stay of course.</p> --ldx]]-- -fonts = fonts or { } -fonts.map = fonts.map or { } +local fonts = fonts +fonts.map = fonts.map or { } -local function load_lum_table(filename) -- will move to font goodies +local function loadlumtable(filename) -- will move to font goodies local lumname = file.replacesuffix(file.basename(filename),"lum") - local lumfile = resolvers.find_file(lumname,"map") or "" + local lumfile = resolvers.findfile(lumname,"map") or "" if lumfile ~= "" and lfs.isfile(lumfile) then if trace_loading or trace_unimapping then - logs.report("load otf","enhance: loading %s ",lumfile) + report_otf("enhance: loading %s ",lumfile) end lumunic = dofile(lumfile) return lumunic, lumfile end end -local hex = lpeg.R("AF","09") +local P, R, S, C, Ct, Cc = lpeg.P, lpeg.R, lpeg.S, lpeg.C, lpeg.Ct, lpeg.Cc + +local hex = R("AF","09") local hexfour = (hex*hex*hex*hex) / function(s) return tonumber(s,16) end local hexsix = (hex^1) / function(s) return tonumber(s,16) end -local dec = (lpeg.R("09")^1) / tonumber -local period = lpeg.P(".") - -local unicode = lpeg.P("uni") * (hexfour * (period + lpeg.P(-1)) * lpeg.Cc(false) + lpeg.Ct(hexfour^1) * lpeg.Cc(true)) -local ucode = lpeg.P("u") * (hexsix * (period + lpeg.P(-1)) * lpeg.Cc(false) + lpeg.Ct(hexsix ^1) * lpeg.Cc(true)) -local index = lpeg.P("index") * dec * lpeg.Cc(false) +local dec = (R("09")^1) / tonumber +local period = P(".") +local unicode = P("uni") * (hexfour * (period + P(-1)) * Cc(false) + Ct(hexfour^1) * Cc(true)) +local ucode = P("u") * (hexsix * (period + P(-1)) * Cc(false) + Ct(hexsix ^1) * Cc(true)) +local index = P("index") * dec * Cc(false) local parser = unicode + ucode + index local parsers = { } -local function make_name_parser(str) +local function makenameparser(str) if not str or str == "" then return parser else local p = parsers[str] if not p then - p = lpeg.P(str) * period * dec * lpeg.Cc(false) + p = P(str) * period * dec * Cc(false) parsers[str] = p end return p end end ---~ local parser = fonts.map.make_name_parser("Japan1") ---~ local parser = fonts.map.make_name_parser() +--~ local parser = fonts.map.makenameparser("Japan1") +--~ local parser = fonts.map.makenameparser() --~ local function test(str) --~ local b, a = lpegmatch(parser,str) --~ print((a and table.serialize(b)) or b) @@ -119,14 +120,14 @@ end --~ return s --~ end -fonts.map.load_lum_table = load_lum_table -fonts.map.make_name_parser = make_name_parser +fonts.map.loadlumtable = loadlumtable +fonts.map.makenameparser = makenameparser fonts.map.tounicode16 = tounicode16 fonts.map.tounicode16sequence = tounicode16sequence -local separator = lpeg.S("_.") -local other = lpeg.C((1 - separator)^1) -local ligsplitter = lpeg.Ct(other * (separator * other)^0) +local separator = S("_.") +local other = C((1 - separator)^1) +local ligsplitter = Ct(other * (separator * other)^0) --~ print(table.serialize(lpegmatch(ligsplitter,"this"))) --~ print(table.serialize(lpegmatch(ligsplitter,"this.that"))) @@ -134,7 +135,7 @@ local ligsplitter = lpeg.Ct(other * (separator * other)^0) --~ print(table.serialize(lpegmatch(ligsplitter,"such_so_more"))) --~ print(table.serialize(lpegmatch(ligsplitter,"such_so_more.that"))) -fonts.map.add_to_unicode = function(data,filename) +fonts.map.addtounicode = function(data,filename) local unicodes = data.luatex and data.luatex.unicodes if not unicodes then return @@ -145,11 +146,11 @@ fonts.map.add_to_unicode = function(data,filename) unicodes['zwj'] = unicodes['zwj'] or 0x200D unicodes['zwnj'] = unicodes['zwnj'] or 0x200C -- the tounicode mapping is sparse and only needed for alternatives - local tounicode, originals, ns, nl, private, unknown = { }, { }, 0, 0, fonts.private, format("%04X",utfbyte("?")) + local tounicode, originals, ns, nl, private, unknown = { }, { }, 0, 0, fonts.privateoffset, format("%04X",utfbyte("?")) data.luatex.tounicode, data.luatex.originals = tounicode, originals local lumunic, uparser, oparser if false then -- will become an option - lumunic = load_lum_table(filename) + lumunic = loadlumtable(filename) lumunic = lumunic and lumunic.tounicode end local cidinfo, cidnames, cidcodes = data.cidinfo @@ -157,16 +158,16 @@ fonts.map.add_to_unicode = function(data,filename) usedmap = usedmap and lower(usedmap) usedmap = usedmap and fonts.cid.map[usedmap] if usedmap then - oparser = usedmap and make_name_parser(cidinfo.ordering) + oparser = usedmap and makenameparser(cidinfo.ordering) cidnames = usedmap.names cidcodes = usedmap.unicodes end - uparser = make_name_parser() - local aglmap = fonts.map and fonts.map.agl_to_unicode + uparser = makenameparser() + local unicodevector = fonts.enc.agl.unicodes -- loaded runtime in context for index, glyph in next, data.glyphs do local name, unic = glyph.name, glyph.unicode or -1 -- play safe if unic == -1 or unic >= private or (unic >= 0xE000 and unic <= 0xF8FF) or unic == 0xFFFE or unic == 0xFFFF then - local unicode = (lumunic and lumunic[name]) or (aglmap and aglmap[name]) + local unicode = (lumunic and lumunic[name]) or unicodevector[name] if unicode then originals[index], tounicode[index], ns = unicode, tounicode16(unicode), ns + 1 end @@ -210,7 +211,7 @@ fonts.map.add_to_unicode = function(data,filename) -- skip elseif nplit == 1 then local base = split[1] - unicode = unicodes[base] or (aglmap and aglmap[base]) + unicode = unicodes[base] or unicodevector[base] if unicode then if type(unicode) == "table" then unicode = unicode[1] @@ -218,19 +219,25 @@ fonts.map.add_to_unicode = function(data,filename) originals[index], tounicode[index], ns = unicode, tounicode16(unicode), ns + 1 end else - local t = { } + local t, n = { }, 0 for l=1,nplit do local base = split[l] - local u = unicodes[base] or (aglmap and aglmap[base]) + local u = unicodes[base] or unicodevector[base] if not u then break elseif type(u) == "table" then - t[#t+1] = u[1] + n = n + 1 + t[n] = u[1] else - t[#t+1] = u + n = n + 1 + t[n] = u end end - if #t > 0 then -- done then + if n == 0 then -- done then + -- nothing + elseif n == 1 then + originals[index], tounicode[index], nl, unicode = t[1], tounicode16(t[1]), nl + 1, true + else originals[index], tounicode[index], nl, unicode = t, tounicode16sequence(t), nl + 1, true end end @@ -255,116 +262,13 @@ fonts.map.add_to_unicode = function(data,filename) for index, glyph in table.sortedhash(data.glyphs) do local toun, name, unic = tounicode[index], glyph.name, glyph.unicode or -1 -- play safe if toun then - logs.report("load otf","internal: 0x%05X, name: %s, unicode: 0x%05X, tounicode: %s",index,name,unic,toun) + report_otf("internal: 0x%05X, name: %s, unicode: 0x%05X, tounicode: %s",index,name,unic,toun) else - logs.report("load otf","internal: 0x%05X, name: %s, unicode: 0x%05X",index,name,unic) + report_otf("internal: 0x%05X, name: %s, unicode: 0x%05X",index,name,unic) end end end if trace_loading and (ns > 0 or nl > 0) then - logs.report("load otf","enhance: %s tounicode entries added (%s ligatures)",nl+ns, ns) + report_otf("enhance: %s tounicode entries added (%s ligatures)",nl+ns, ns) end end - --- the following is sort of obsolete --- --- fonts.map.data = fonts.map.data or { } --- fonts.map.encodings = fonts.map.encodings or { } --- fonts.map.loaded = fonts.map.loaded or { } --- fonts.map.line = fonts.map.line or { } --- --- function fonts.map.line.pdftex(e) --- if e.name and e.fontfile then --- local fullname = e.fullname or "" --- if e.slant and e.slant ~= 0 then --- if e.encoding then --- pdf.mapline(format('= %s %s "%g SlantFont" <%s <%s',e.name,fullname,e.slant,e.encoding,e.fontfile))) --- else --- pdf.mapline(format('= %s %s "%g SlantFont" <%s',e.name,fullname,e.slant,e.fontfile))) --- end --- elseif e.extend and e.extend ~= 1 and e.extend ~= 0 then --- if e.encoding then --- pdf.mapline(format('= %s %s "%g ExtendFont" <%s <%s',e.name,fullname,e.extend,e.encoding,e.fontfile))) --- else --- pdf.mapline(format('= %s %s "%g ExtendFont" <%s',e.name,fullname,e.extend,e.fontfile))) --- end --- else --- if e.encoding then --- pdf.mapline(format('= %s %s <%s <%s',e.name,fullname,e.encoding,e.fontfile))) --- else --- pdf.mapline(format('= %s %s <%s',e.name,fullname,e.fontfile))) --- end --- end --- else --- return nil --- end --- end --- --- function fonts.map.flush(backend) -- will also erase the accumulated data --- local flushline = fonts.map.line[backend or "pdftex"] or fonts.map.line.pdftex --- for _, e in next, fonts.map.data do --- flushline(e) --- end --- fonts.map.data = { } --- end --- --- fonts.map.line.dvips = fonts.map.line.pdftex --- fonts.map.line.dvipdfmx = function() end --- --- function fonts.map.convert_entries(filename) --- if not fonts.map.loaded[filename] then --- fonts.map.data, fonts.map.encodings = fonts.map.load_file(filename,fonts.map.data, fonts.map.encodings) --- fonts.map.loaded[filename] = true --- end --- end --- --- function fonts.map.load_file(filename, entries, encodings) --- entries = entries or { } --- encodings = encodings or { } --- local f = io.open(filename) --- if f then --- local data = f:read("*a") --- if data then --- for line in gmatch(data,"(.-)[\n\t]") do --- if find(line,"^[%#%%%s]") then --- -- print(line) --- else --- local extend, slant, name, fullname, fontfile, encoding --- line = gsub(line,'"(.+)"', function(s) --- extend = find(s,'"([^"]+) ExtendFont"') --- slant = find(s,'"([^"]+) SlantFont"') --- return "" --- end) --- if not name then --- -- name fullname encoding fontfile --- name, fullname, encoding, fontfile = match(line,"^(%S+)%s+(%S*)[%s<]+(%S*)[%s<]+(%S*)%s*$") --- end --- if not name then --- -- name fullname (flag) fontfile encoding --- name, fullname, fontfile, encoding = match(line,"^(%S+)%s+(%S*)[%d%s<]+(%S*)[%s<]+(%S*)%s*$") --- end --- if not name then --- -- name fontfile --- name, fontfile = match(line,"^(%S+)%s+[%d%s<]+(%S*)%s*$") --- end --- if name then --- if encoding == "" then encoding = nil end --- entries[name] = { --- name = name, -- handy --- fullname = fullname, --- encoding = encoding, --- fontfile = fontfile, --- slant = tonumber(slant), --- extend = tonumber(extend) --- } --- encodings[name] = encoding --- elseif line ~= "" then --- -- print(line) --- end --- end --- end --- end --- f:close() --- end --- return entries, encodings --- end |